Voltmeter V7-46 universaldesigned to measure DC voltage and current, RMS AC voltage and current strength, electrical resistance to direct current, the ratio of two voltages and provides a mathematical and logical processing of measurement results.

Voltmeter V7-46 is used for measurement when setting up, testing and operation of various electronic equipment and allows its use as a stand-alone or as part of automated measuring systems (AIS).Voltmeter is not connected to channel public (CPC).

Maximum permissible error of measurement of dc voltage as a percentage equal to the values ​​given:

1) in Table 1.1 - Calibration interval for 6 months;

2) Table 1.2 - during the calibration interval of 12 and 24 months;

3) in Table 1.1 - for 24chnepreryvnoy work after calibration with respect to the outer measure with an accuracy of 0.003%;

Table 1.1 Maximum permissible error of measurement of DC

Ranges

Fast-Corollary

Stage quantization (number of digits to display)

20mV

0.1 mv / s

100nV (5 1 / 2)

1izmer / s

1mkV (4 1 / 2)

5izmer / s

10mkV (3 1 / 2)

200mV

5izmer / s

1mkV (5 1 / 2)

10izmer / s

10mkV (4 1 / 2)

50izmer / s

100mkV (3 1 / 2)

2B

5izmer / s

10mkV (5 1 / 2)

10izmer / s

100mkV (4 1 / 2)

50izmer / s

1mV (3 1 / 2)

20B

5izmer / s

100mkV (5 1 / 2)

10izmer / s

1mV (4 1 / 2)

50izmer / s

10 mV (3 1 / 2)

200V

5izmer / s

1mV (5 1 / 2)

10izmer / s

10 mV (4 1 / 2)

50izmer / s

100mV (3 1 / 2)

1000V

5izmer / s

10 mV (5 1 / 2)

10izmer / s

100mV (4 1 / 2)

50izmer / s

1B (3 1 / 2)

Ranges

Maximum permissible error for Calibration interval

24h

6 months

20mV

± [0,03 +0,02 (U a / U-1)]%

± [0,04 +0,02 (U a / U-1)]%

± [0,03 +0,025 (U a / U-1)]%

± [0,04 +0,025 (U a / U-1)]%

± [0,1 +0,1 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

200mV

± [0,015 +0,0025 (U a / U-1)]%

± [0,025 +0,0025 (U a / U-1)]%

± [0,02 +0,015 (U a / U-1)]%

± [0,025 +0,02 (U a / U-1)]%

± [0,1 +0,1 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

2B

± [0,01 +0,002 (U a / U-1)]%

± [0,02 +0,002 (U a / U-1)]%

± [0,015 +0,01 (U a / U-1)]%

± [0,02 +0,015 (U a / U-1)]%

± [0,1 +0,1 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

20B

± [0,015 +0,002 (U a / U-1)]%

± [0,02 +0,002 (U a / U-1)]%

± [0,02 +0,01 (U a / U-1)]%

± [0,025 +0,01 (U a / U-1)]%

± [0,1 +0,1 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

200V

± [0,015 +0,002 (U a / U-1)]%

± [0,02 +0,002 (U a / U-1)]%

± [0,02 +0,01 (U a / U-1)]%

± [0,025 +0,02 (U a / U-1)]%

± [0,1 +0,1 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

1000V

± [0,02 +0,004 (U a / U-1)]%

± [0,025 +0,004 (U a / U-1)]%

± [0,03 +0,02 (U a / U-1)]%

± [0,04 +0,02 (U a / U-1)]%

± [0,2 +0,1 (U a / U-1)]%

± [0,25 +0,1 (U a / U-1)]%

Table 1.2 Maximum permissible error of measurement of DC

Ranges

Fast-Corollary

Stage quantization (number of digits to display)

20mV

0.1 mv / s

100nV (5 1 / 2)

1izmer / s

1mkV (4 1 / 2)

5izmer / s

10mkV (3 1 / 2)

200mV

5izmer / s

1mkV (5 1 / 2)

10izmer / s

10mkV (4 1 / 2)

50izmer / s

100mkV (3 1 / 2)

2B

5izmer / s

10mkV (5 1 / 2)

10izmer / s

100mkV (4 1 / 2)

50izmer / s

1mV (3 1 / 2)

20B

5izmer / s

100mkV (5 1 / 2)

10izmer / s

1mV (4 1 / 2)

50izmer / s

10 mV (3 1 / 2)

200V

5izmer / s

1mV (5 1 / 2)

10izmer / s

10 mV (4 1 / 2)

50izmer / s

100mV (3 1 / 2)

1000V

5izmer / s

10 mV (5 1 / 2)

10izmer / s

100mV (4 1 / 2)

50izmer / s

1B (3 1 / 2)

Ranges

Maximum permissible error for Calibration interval

12 months

24 months

20mV

± [0,05 +0,02 (U a / U-1)]%

± [0,06 +0,03 (U a / U-1)]%

± [0,05 +0,025 (U a / U-1)]%

± [0,08 +0,03 (U a / U-1)]%

± [0,2 +0,1 (U a / U-1)]%

± [0,3 +0,1 (U a / U-1)]%

200mV

± [0,025 +0,0025 (U a / U-1)]%

± [0,04 +0,003 (U a / U-1)]%

± [0,03 +0,025 (U a / U-1)]%

± [0,05 +0,03 (U a / U-1)]%

± [0,1 +0,1 (U a / U-1)]%

± [0,25 +0,1 (U a / U-1)]%

2B

± [0,025 +0,0025 (U a / U-1)]%

± [0,03 +0,003 (U a / U-1)]%

± [0,025 +0,02 (U a / U-1)]%

± [0,04 +0,02 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

± [0,25 +0,1 (U a / U-1)]%

20B

± [0,025 +0,0025 (U a / U-1)]%

± [0,04 +0,003 (U a / U-1)]%

± [0,025 +0,02 (U a / U-1)]%

± [0,04 +0,02 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

± [0,25 +0,1 (U a / U-1)]%

200V

± [0,03 +0,002 (U a / U-1)]%

± [0,05 +0,003 (U a / U-1)]%

± [0,03 +0,02 (U a / U-1)]%

± [0,05 +0,03 (U a / U-1)]%

± [0,15 +0,1 (U a / U-1)]%

± [0,25 +0,1 (U a / U-1)]%

1000V

± [0,03 +0,004 (U a / U-1)]%

± [0,04 +0,006 (U a / U-1)]%

± [0,05 +0,02 (U a / U-1)]%

± [0,08 +0,03 (U a / U-1)]%

± [0,25 +0,1 (U a / U-1)]%

± [0,4 +0,2 (U a / U-1)]%

Table1.1, 1.2, and then use the following notation:

U to the - the final value of the set range;

U - value of the measured input voltage voltmeters;

Voltmeter V7-46 stands for all bands except the largest, within 1 min. voltage equal to a finite value of the next higher range.At the limit of measurement range from 1000 V voltmeter stand for 1min. 1200V voltage value;

Performance of the voltmeter quantization step for each range of measurement, the number of decimal places to display correspond to the values ​​given in Table 1.1, 1.2;

Input resistance of B7-46 when measuring a constant voltage of at least 1 GOhm on range measurements from outside 20mV, 200mV and 2V is 10 megohms ± 1,0 MW in range of measurements with the limits of 20V, 200V, 1000V;

Rejection ratio of the normal type of frequency 50Hz, 100Hz, 400Hz, and the measurement of DC voltage of at least 60 dB;

Rejection ratio of the general form of direct current or alternating current power line frequency when measuring DC voltage of at least 120 dB in normal conditions the resistance of the unbalance 1K;

Voltmeter V7-46 provides a measurement of rms AC voltage up to 20V of arbitrary shape in the frequency range from 20Hz to 1MHz, to 700V at frequencies from 20Hz to 100kHz and has a range with upper limits 200mV, 2V, 20V, 200V, 700V;

Crest factor of the measured voltage toa≤ 4, with a maximum value of the input voltage not exceeding 1000V voltmeter;

Maximum permissible error of measurement of AC-form as a percentage of the measured voltage at values ​​of 0,005 U to Ufor acalibration interval for 6, 12, 24 months is equal to the values ​​given:

Maximum permissible error of measurement of force as a percentage of the DC calibration interval for 12, 24 months, the speed and degree of quantization for each measurement range voltmeter V7-46 are the values ​​given in tabl.1.7;

Table 1.7 Maximum permissible error of measurement of force as a percentage of the DC calibration interval for 12, 24 months, the speed and degree of quantization of each span

Ranges

Fast-Corollary

Stage quantization (number of digits to display)

20mkA

5izmer / s

100pA (5 1 / 2)

10izmer / s

1Based (4 1 / 2)

50izmer / s

10nA (3 1 / 2)

200mkA

5izmer / s

1Based (5 1 / 2)

10izmer / s

10nA (4 1 / 2)

50izmer / s

100nA (3 1 / 2)

2mA

5izmer / s

10nA (5 1 / 2)

10izmer / s

100nA (4 1 / 2)

50izmer / s

1mkA (3 1 / 2)

20mA

5izmer / s

100nA (5 1 / 2)

10izmer / s

1mkA (4 1 / 2)

50izmer / s

10mkA (3 1 / 2)

200mA

5izmer / s

1mkA (5 1 / 2)

10izmer / s

10mkA (4 1 / 2)

50izmer / s

100mkA (3 1 / 2)

2000mA

5izmer / s

10mkA (5 1 / 2)

10izmer / s

100mkA (4 1 / 2)

50izmer / s

1mA (3 1 / 2)

Ranges

Fast-action

Maximum permissible error for Calibration interval

24h

6 months

20mkA

5izmer / s

± [0,15 +0,1 (I to / I-1)]%

± [0,25 +0,025 (I to / I-1)]%

10izmer / s

± [0,15 +0,02 (I to / I-1)]%

± [0,25 +0,025 (I to / I-1)]%

50izmer / s

± [0,15 +0,1 (I to / I-1)]%

± [0,25 +0,1 (I to / I-1)]%

200mkA

5izmer / s

± [0,1 +0,005 (I to / I-1)]%

± [0,15 +0,01 (I to / I-1)]%

10izmer / s

± [0,1 +0,001 (I to / I-1)]%

± [0,15 +0,015 (I to / I-1)]%

50izmer / s

± [0,15 +0,1 (I to / I-1)]%

± [0,25 +0,1 (I to / I-1)]%

2mA

5izmer / s

± [0,1 +0,005 (I to / I-1)]%

± [0,15 +0,01 (I to / I-1)]%

10izmer / s

± [0,1 +0,01 (I to / I-1)]%

± [0,15 +0,015 (I to / I-1)]%

50izmer / s

± [0,15 +0,1 (I to / I-1)]%

± [0,25 +0,1 (I to / I-1)]%

20mA

5izmer / s

± [0,1 +0,005 (I to / I-1)]%

± [0,15 +0,01 (I to / I-1)]%

10izmer / s

± [0,1 +0,01 (I to / I-1)]%

± [0,15 +0,015 (I to / I-1)]%

50izmer / s

± [0,15 +0,1 (I to / I-1)]%

± [0,25 +0,1 (I to / I-1)]%

200mA

5izmer / s

± [0,1 +0,005 (I to / I-1)]%

± [0,15 +0,01 (I to / I-1)]%

10izmer / s

± [0,1 +0,01 (I to / I-1)]%

± [0,15 +0,015 (I to / I-1)]%

50izmer / s

± [0,15 +0,1 (I to / I-1)]%

± [0,25 +0,15 (I to / I-1)]%

2000mA

5izmer / s

± [0,1 +0,005 (I to / I-1)]%

± [0,15 +0,01 (I to / I-1)]%

10izmer / s

± [0,1 +0,01 (I to / I-1)]%

± [0,15 +0,015 (I to / I-1)]%

50izmer / s

± [0,15 +0,1 (I to / I-1)]%

± [0,25 +0,15 (I to / I-1)]%

Limit of the basic error of measuring the strength of the DC voltmeter with an external shunt, to 10A for calibration interval 12, and 24 months, the speed, level of quantization for each range of measurement equal to those given in tabl.1.8.

Table 1.8 Maximum permissible error of measurement of force as a percentage of the DC calibration interval for 12, 24 months, the speed and degree of quantization of each span

Ranges

Fast-Corollary

Stage quantization (number of digits to display)

10A

5izmer / s

100mkA (5 1 / 2)

10izmer / s

1mA (4 1 / 2)

50izmer / s

10mA (3 1 / 2)

Ranges

Fast-action

Maximum permissible error for Calibration interval

24h

6 months

10A

5izmer / s

± [0,4 +0,01 (I to / I-1)]%

± [0,6 +0,02 (I to / I-1)]%

10izmer / s

± [0,4 +0,01 (I to / I-1)]%

± [0,6 +0,02 (I to / I-1)]%

50izmer / s

± [0,4 +0,01 (I to / I-1)]%

± [0,6 +0,02 (I to / I-1)]%

Table1.7, 1.8, and then use the following notation:

I to - the final value of the set measuring range (with external shunt to I = 10A);

I - value of the measured current at the input of voltmeters;

The maximum voltage drop on the input circuit of the voltmeter V7-46 when measuring the DC power no more:

- 0.25 VNA measurement range from outside 20mkA, 200mkA, 2mA, 20mA;

- 0.28 V on the measurement range with a limit of 200 mA;

- 1V at the range with a limit of 2000mA;

The voltage drop across an external shunt 10A is not more than 0.5 V;

The error of measuring the voltage drop no more than ± 1%;

Voltmeter V7-46 provides a measurement of rms AC current by a factor of arbitrary shapeand amplitude to ≤ 3 in the frequency range:

- 40Hz to 10kHz on to the range of measurements from the upper limit of 2000mA;

- From 40Hz to 2kHz range for the measurements with the upper limit of 10A (with external shunt);

Maximum permissible error of measurement of AC current as a percentage of arbitrary shape for the values ​​of the measured voltage of up to 0,005 Ik I kfor a calibration interval of 12, 24 months is equal to the values ​​given:

1) in the measurement time tabl.1.9 0.33, 2c;

2) tabl.1.10 measurement time 0.1 s;

Table 1.9 Maximum permissible error of measurement of AC current of arbitrary shape

Mezhpove-rochny interval

Ranges

Limit of the basic error in measuring time 0.33, 2c, in the frequency range

40Hz-10kHz

10kHz-20kHz

12 months

200mkA

± [0,6 +0,15 (I to / I-1)]%

± [0,2 +0,15 (I to / I-1)]%

2mA

± [0,6 +0,15 (I to / I-1)]%

± [0,2 +0,15 (I to / I-1)]%

20mA

± [0,6 +0,15 (I to / I-1)]%

± [0,2 +0,15 (I to / I-1)]%

200mA

± [0,6 +0,15 (I to / I-1)]%

± [0,2 +0,15 (I to / I-1)]%

2000mA

± [0,6 +0,15 (I to / I-1)]%

± [0,2 +0,15 (I to / I-1)]%

10A (with external shunt)

± [1 +0,1 (I to/ I-1)]% in the frequency range of 40Hz-2kHz

24 months

200mkA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

2mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

20mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

200mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

2000mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

10A (with external shunt)

± [1,5 +0,15 (I to/ I-1)]% in the frequency range of 40Hz-2kHz

Table 1.10 Maximum permissible error of measurement of AC current of arbitrary shape

Calibration interval

Ranges

Limit of the basic error in measuring time 0.33, 2c, in the frequency range

400Hz-1kHz

10kHz-20kHz

12 months

200mkA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

2mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

20mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

200mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

2000mA

± [1 +0,25 (I to / I-1)]%

± [3 +0,3 (I to / I-1)]%

10A (with external shunt)

± [1,5 +0,15 (I to/ I-1)]% in the frequency range of 40Hz-2kHz

24 months

200mkA

± [1,5 +0,5 (I to / I-1)]%

± [4 +0,4 (I to / I-1)]%

2mA

± [1,5 +0,5 (I to / I-1)]%

± [4 +0,4 (I to / I-1)]%

20mA

± [1,5 +0,5 (I to / I-1)]%

± [4 +0,4 (I to / I-1)]%

200mA

± [1,5 +0,5 (I to / I-1)]%

± [4 +0,4 (I to / I-1)]%

2000mA

± [1,5 +0,5 (I to / I-1)]%

± [4 +0,4 (I to / I-1)]%

10A (with external shunt)

± [2 +0,2 (I to/ I-1)]% in the frequency range of 40Hz-2kHz

The maximum voltage drop on the input circuit of the voltmeter V7-46 for measuring AC current up to:

- 0.25 V on ranges of measurements outside 200mkA, 2mA, 20mA;

- 0.28 V on the measurement range with a limit of 200 mA;

B-1B on the measurement range with a limit of 2000mA;

The voltage drop across an external shunt 10A is not more than 0.5 V;

The error of measuring the voltage drop no more than ± 1%;

Time measuring the strength of the AC, with 4 1 / 2, 5 1 / 2 digits indicate the frequency range from 40Hz to 100Hz, less than 2 s, at frequencies above 100 Hz - not more than 0.33;

At 3 1 / 2 digits indicate the time of measurement at frequencies above 400 Hz with no more than 0.1;

DC current flowing through the measured resistance is equal to the values ​​given in tabl.1.13;

Table 1.13 DC current flowing through the measured resistance

Ranges

The value of the current

20 ohms

1mA ± 0,2 mA

200 Ohm

1mA ± 0,2 mA

2 k

1mA ± 0,2 mA

20 kOhm

0.1 mA ± 0,02 mA

200 kOhm

1mA ± 0,2 mA

2000 ohms

1mA ± 0,2 mA

The maximum value of DC voltage to the measured resistance (voltage in open nests) not more than 10V when measured at a range of measurements beyond 20 MW, 200 MW up to 2.1 V;

Voltage measurement error of ± 5%;

In the voltmeter provides checking of the parts.

Limit of permissible additional error B7-46 from the ambient temperature for every 10 º C in the temperature range from -10 º C to +50 ° C does not exceed the permissible basic error for Calibration interval 6 months in the measurement of DC, AC voltage and electrical resistance, twice the limit - by measuring the ratio of two voltages, and half the limit of permissible basic error for Calibration interval of 12 months - when measured forces direct and alternating currents;

Limit of permissible additional error B7-46 from the effects of high humidity does not exceed the permissible basic error for Calibration interval 6 months in the measurement of DC, AC voltage and electrical resistance, twice the limit of permissible error for Calibration interval 6 months in the measurement of the ratio of two voltages and half the limit allowed by basic error for Calibration interval of 12 months - the measurement of direct and alternating currents;

Voltmeter V7-46 has production and operating margin 20% on major errors in the measurements, normalized for Calibration interval 6 months when measuring DC and AC voltages, electrical resistance, the ratio of two voltages, normalized for 12 months - when measured forces direct and alternating currents;

Voltmeter V7-46 has the following modes:

- Automatic zero setting;

- Manual ranging;

- Automatic selection of measuring range;

- A one-time startup;

- Start periodic;

- Automatic calibration of the measuring path;

Voltmeter allows continuous operation in the operating conditions for a time at least 24 hours while maintaining its performance in the limits established by TU;

Footnote.Continuous operation time does not include the time required to establish the operating mode of the voltmeter;

Voltmeter V7-46 retains its specifications within the standards established by the TU, with its power from AC 220V ± 22V 50Hz ± 1,0 Hz and 115 ± 6V, ± 11V 220V 400Hz frequency of 28 Hz, 400 Hz-12Gts, content harmonics does not exceed 5%;

The power consumed by the device from the power supply at rated voltage not exceeding 35V ∙ A;

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Upon request, each measuring device is provided metrological certification or verification. Our staff can represent your interests in such organizations as the metrological Rostest (Rosstandart), State Standard, Derzhspozhiv standard (Derzhspozhivstandart), TSLIT, OGMetr.
Sometimes customers can enter our company name wrong - for example, zapadprybor, zapadprylad, zapadprіbor, zapadprilad, zahіdpribor, zahіdprіbor, zahidpribor, zahidprilad, zahidprіbor, zahidprybor, zahidprylad. That's right - Zapadpribor or zahіdprilad.
LLC "Zapadpribor" is the supplier of ammeters, voltmeters, power meters, frequency meters, phase meters, shunts and other devices such manufacturers of measuring equipment, such as: PO " Elektrotochpribor " (M2044, M2051), Omsk, OAO "Instrument-Making Plant "Vibrator" (M1611, Ts1611), St. Petersburg, JSC "Krasnodar ZIP " (E365, E377, E378), LLC " ZIP Partner" (Ts301 , Ts302 , Ts300) and "ZIP" Yurimov"(M381, C33), Krasnodar, OAO "VZEP" ("Vitebsk factory of electrical appliances") (E8030, E8021), Vitebsk, OAO "Electropribor" (M42300, M42301, M42303, M42304, M42305, M42306), Cheboksary, JSC "Elektroizmeritel" (Ts4342, Ts4352, Ts4353 ) Zhitomir, PJSC "Uman factory "Megger" (F4102, F4103, F4104, M4100), Uman.